There should be pages_per_huge_page(h) / pages_per_huge_page(target_hstate) pages incremented for target_hstate->max_huge_pages when page is demoted. Update max_huge_pages accordingly for consistency. Signed-off-by: Miaohe Lin <linmiaohe@xxxxxxxxxx> Reviewed-by: Muchun Song <songmuchun@xxxxxxxxxxxxx> --- mm/hugetlb.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/mm/hugetlb.c b/mm/hugetlb.c index f8f1540108ab..19a7a83af569 100644 --- a/mm/hugetlb.c +++ b/mm/hugetlb.c @@ -3473,7 +3473,8 @@ static int demote_free_huge_page(struct hstate *h, struct page *page) * based on pool changes for the demoted page. */ h->max_huge_pages--; - target_hstate->max_huge_pages += pages_per_huge_page(h); + target_hstate->max_huge_pages += + pages_per_huge_page(h) / pages_per_huge_page(target_hstate); return rc; } -- 2.23.0
